Harminv is a free program and C library for harmonic inversion: decomposing a time-series into a sum of sinusoids, including exponentially decaying sinusoids.
Harminv is based on the "filter diagonalization method" (FDM) of Mandelshtam & Taylor, which maps the harmonic inversion problem onto a small eigen-problem (size proportional to the number of sinusoids).
The FDM is often able to obtain much more robust and accurate solutions than alternative methods.
What's New in This Release:
An inconsistent sign convention used for phase output was fixed.
Download Harminv 1.3.1
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